Scaffold thav duab yuav tsum tau pinned los yog ruaj ntseg ua ke thaum twg lawv tau sib sau ua ke los tsim cov qauv ruaj khov-qhov no yog qhov tseem ceeb ntawm kev nyab xeeb kom tsis txhob muaj kev sib tsoo, txav mus los, lossis kev ua haujlwm tsis zoo thaum siv.
Qhov no yog lub hauv paus ntsiab lus tseem ceeb ntawm kev ruaj ntseg scaffold. Raws li cov qauv zoo li OSHA 29 CFR 1926.452, thav duab thiab cov vaj huam sib luag yuav tsum tau txuas nrog ntoo khaub lig, kab rov tav, lossis kab pheeb ces kaum, lossis kev sib xyaw ua ke, uas ruaj ntseg cov tswv cuab ntsug ua ke tom qab.
1.Thaum pib lub rooj sib txoos (txhua tus ncej txuas)
Txhua qhov ntsug ntsug (tus qauv) yuav tsum tau pinned / ruaj ntseg rau kab rov tav cov tswv cuab (ledgers) ntawm txhua qhov sib koom ua ke.
Yog vim li cas: tiv thaiv kev tsis sib haum xeeb thaum sib dhos; tsim qhov yooj yim load-cov kabmob pob txha.
Yam yuav tsum tau muaj: Siv cov chaw tsim khoom- pins, clips, lossis xauv dab tshos (tsis txhob hloov nrog cov hlau, hlua, lossis tsis yog- tus qauv fasteners).
2. Thaum scaffold qhov siab tshaj 1.8m (6ft)
Rau scaffolds siab tshaj ib lub platform siab:
Txhua qhov kev sib txuas ntsug thiab kab rov tav yuav tsum muaj kev ruaj ntseg tag nrho (tsis muaj "loose-fitting" pob qij txha).
Diagonal braces (cross bracing) kuj yuav tsum tau pinned rau thav duab ntawm ob qho kawg kom tiv thaiv sab nraud (piv txwv li, cua, neeg ua haujlwm txav).
Yog vim li cas: Cov qauv siab dua yog qhov cuam tshuam rau qhov tsis ruaj khov; kev ruaj ntseg tag nrho ua kom cov khoom xa tawm thoob plaws tag nrho cov ncej.
3. Ua ntej muab lub platform ua haujlwm lossis siv cov khoom thauj
Tsis muaj cov neeg ua haujlwm, cov cuab yeej, lossis cov khoom siv yuav raug muab tso rau ntawm qhov chaw mus txog thaum:
Tag nrho cov pob qij txha yog pinned / ruaj ntseg.
Platforms tau txais kev txhawb nqa zoo los ntawm kev ruaj ntseg thav duab (tsis so ntawm kev sib txuas xoob).
Yog vim li cas: Cov thav ntawv uas tsis muaj kev ruaj ntseg tsis tuaj yeem ua rau muaj kev ruaj ntseg lossis zoo li qub, ua rau lub platform tawg.
4. Thaum ncua lossis hloov kho lub scaffold
Thaum lub sij hawm qhov siab extensions, ntxiv bays, los yog reconfiguring thav duab:
Cov thav ntawv tshiab tshiab yuav tsum tau ua kom ruaj ntseg rau cov thav ntawv uas twb muaj lawm ua ntej yuav mus.
Kev hloov kho (piv txwv li, tshem tawm tus neeg hla ib ntus) yuav tsum muaj kev sib txuas ntxiv kom muaj kev ruaj ntseg kom txog thaum lub thav duab rov ua dua - ruaj ntseg.
Yog vim li cas: Tiv thaiv cov ntsiab lus tsis muaj zog thaum lub sij hawm hloov mus rau scaffold's geometry.
5. Nyob rau sab nraum zoov lossis qhov chaw raug pom
Rau scaffolds siv sab nraum zoov, nyob ze cov tsheb khiav, los yog cua daj cua dub:
Kev ruaj ntseg ntxiv (xws li ob tus pins ntawm cov pob qij txha tseem ceeb) yuav tsum tau.
Cov thav ntawv tseem yuav tsum tau khi rau lub tsev / cov qauv (kho-ins) ntawm lub sijhawm tshwj xeeb, ntxiv rau kev sib txuas ua ke.
Yog vim li cas: Resistant lateral force (cua, vibration) uas yuav loosen cov pob qij txha unsecured.
6. Thaum lub scaffold siv rau hnyav- daim ntawv thov
Rau scaffolds txhawb nqa hnyav (piv txwv li, cov khoom siv, khoom siv):
Tag nrho cov pob qij txha yuav tsum tau "xauv" (xws li, twist-lock pins, bolted kev sib txuas) es tsis yog xoob xoob.
Chaw tsim tshuaj paus tus nqi load yuav tsum tau ua raws li, nrog rau kev ruaj ntseg kev sib txuas kom ntseeg tau tias load hloov tsis slippage.
Yog vim li cas: hnyav loads amplify kev nyuaj siab ntawm pob qij txha; xauv kev sib txuas tiv thaiv shear tsis ua hauj lwm.
Pinning/securing tsis yog xaiv tau-nws yog ib qho yuav tsum tau muaj nyob rau hauv tag nrho cov cheeb tsam los tiv thaiv cov neeg ua hauj lwm los ntawm ntog los yog scaffold vau. Tshawb xyuas txhua qhov kev sib txuas txhua hnub ua ntej siv; hloov cov pins lossis thav duab puas tam sim ntawd.
Rau cov qauv tshwj xeeb, xa mus rau:
OSHA 1926.451 (US)
GB 51246-2017 (Tuam Tshoj)
TS EN 12811-1 (EU)
Yog hais tias koj xav tau cov ntsiab lus ntawm fastener hom (xws li, cotter pins, twist locks) los yog thav duab kab ntawv txuas, thovtiv tauj peb.
Cov khoom koj nyiam
Youfa pab pawg yog cov kws tshaj lij hauvscaffolding systemtus neeg muag khoom ntawm Tuam Tshoj. Txais tos cov neeg muas zaub tshiab thiab qub inguiry peb!
Yog xav paub ntau ntxiv ntawm scaffolding, thov hu rau peb.
